#VU61459 Heap-based buffer overflow in ClickHouse - CVE-2021-43305 

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Main Vulnerability Database Vulnerabilities #VU61459

#VU61459 Heap-based buffer overflow in ClickHouse - CVE-2021-43305

Published: March 18, 2022


Vulnerability identifier: #VU61459
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-43305
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
ClickHouse
Software vendor:
ClickHouse

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in LZ4 compression codec. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links